Home / 11,936.72-16,471.40-6,900.14

Finding the Fourth Proportional to 11,936.72, 16,471.40 and 6,900.14

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Solution

The fourth proportional to 11,936.72, 16,471.40 and 6,900.14 is: 9,521.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.72 : 16,471.40 = 6,900.14 : x
  2. Step 2: Convert to fraction form
    11,936.72/16,471.40 = 6,900.14/x
  3. Step 3: Cross multiply
    11,936.72x = 16,471.40 × 6,900.14
  4. Step 4: Simplify right side
    11,936.72x = 113,654,966.00
  5. Step 5: Solve for x
    x = 113,654,966.00/11,936.72
  6. Step 6: Final answer
    x = 9,521.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.